supply supply of spares for s s make 33 kv isolators at 220 kv substation gomti nagar under etd ii, lucknow , female contact arm assembly comprising of aluminium housing arm including jaw contact assembly made of silver polished electrolytic copper strips on both sides of the arm suitable for s&s make 33 k.v. 1250 amp. isolator as per sample. , jaw assembly ( female contact assembly ) duly made of 2 no. silver polished electrolytic copper strips of size 150 x 50 x 5 mm alongwith associated springs, bolts - nuts, housing etc., suitable for s&s make 33 k.v. 1250 amp. isolator as per sample. , blade assembly ( male contact assembly ) duly made of silver polished electrolytic copper flat of size 130 x 37 x 15 mm alongwith other fixtures & fittings, suitable for s&s make 33 k.v. 1250 amp. isolator as per sample.